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Intracranial dural arteriovenous fistulas. Review a propos of a case.

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Author(s): Menéndez M

Journal: Archivos de Medicina
ISSN 1698-9465

Volume: 1;
Issue: 2;
Date: 2004;
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Keywords: arteriovenous fistulae | dural | intracranial | pseudotumor | endovascular treatment | Magnetic Resonance angiograms

ABSTRACT
We report a patient presented with cephalea and two-sided papila oedema in who the angiogram demonstrated a complex intracranial dural arteriovenous fistulae. The more likely hypotheses concerning the pathogenesis of dural arteriovenous fistulas would be that venous hypertension secondary to sinus thrombosis may induce the development of the fistulae. The symptoms are usually closely related to the location, but is come cases the symptoms do not reflect the location and it may induce “pseudotumor cerebri”. Magnetic Resonance angiograms is the best diagnostic choice. It can be successfully treated in most patients with endovascular embolization. Stereotactic radiosurgery or neurosurgery may be used as a combined treatment or as the sole treatment in those cases in which endovascular embolization is not possible. arteriosclerotic or traumatic phenomenons; but it is strong correlated to the structure and histologic peculiarities of the cerebral vessel wall on one hand, and particular intracranial hemodynamics factors on the other. The comprehension of the causes that contribute to the developement of aneurysms is a requisite to understand the factors that inflow in its future growth and rupture, helping in create effective preventive therapeutic actions.
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